Imagine stanning for nickel-and-diming.
Many of us have had the experience of clients telling us to "just" write code that they think is easy, but we know how that can go in reality.
There's already a simple solution here in HDMI. I don't see a reason to be outraged at Canon over not providing another solution that most buyers will never even use.
USB camera feeds work out of the box with Sony mirrorless cameras.
So ultimately, if Canon wants to play these games, let's see if the market of NEW buyers like me respond in a way that will make Canon change their minds.